UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rR6DFxfQCvXwlpF/6wu8wmsfKEt3WXr8kVthzlI5/Ak=' 
WHERE 
  key_id = 'b4b08e1d8c3c2302c5e33bfcdb74b2bdf48964ae497812969296f5572632cb4f' 
  AND (
    token = 'rR6DFxfQCvXwlpF/6wu8wmsfKEt3WXr8kVthzlI5/Ak=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )